Responses from timlub

Replacing caps on crossovers?
@musichead If you can't get a schematic,  as Erik mentioned,  the biggest improvement is replacing the series caps (in positive lead).... It was mentioned to get rid of the Solens... These are only a decent cap,  fairly neutral,they don't do anyth... 
Vincent Audio SV-500 Arriving Today
Dacs also need burn in, it will also change character over time, but it most likely will not be as dramatic as the tubes in the pre or amp section 
Vincent Audio SV-500 Arriving Today
I highly suggest that you put something on that Vincent and leave it playing for 24 hours through its DAC to get a fair comparison.  If you want to move away from that, I agree that the Rotel RA-1592 is a huge value and a nice sounding unit.  If y... 
Replacing caps on crossovers?
@musichead If you can get a schematic of your crossover,  I'll offer some guidance of which parts to replace.   
Older Electronics - When to cut bait? Your thoughts?
@mijostyn Well, I’ve been building speakers for decades (40 Years)... I’ve kept up with any new technologies as well as expanded my knowledge as time went on.... The amplifiers however are a different story. In the past, I’ve done very basic parts... 
SS Amp Designer by Reputation
Assuming used is okay and you have been a tube guy. I'd look at SST Son of Ampzilla 2000. Pass has some models that x tube guys like. You didn't say how much power that you needed. I don't see a tube head liking any PS Audio all solid state amps, ... 
Older Electronics - When to cut bait? Your thoughts?
I've been in or around this system for 40 years.... Some old systems are as satisfying as the best today.  I have extensive knowledge in speaker building and through this forum, I found that my knowledge of amp/pre's is lacking as far as design an... 
Is it time in your hobby to build a speaker kit?
This is a bit expensive, but it is a true audiophile bargain. They keep inching up the pricing,  but it is still a steal. The parts are worth more than the kit.  It was designed by Jeff Bagby one of the best known DIY guys out there. Look carefull... 
Low Sensitivity Speakers Compression Issue.
Even though most of this is accurate, alot of it is also out of context.... Listening to speakers at 115db,  Really?  Then,  do all drivers heat up in the fashion that have been outlined?  Of course not.  Quite a bit is based on the amplifier driv... 
Speakers I have Two in mine??
I'd prefer the gallo's hands down,  can't answer for you.... If you have indeed been asking for awhile, it might be time to try these before they are sold and you never see them again.  I assume that you can resell them or your zu's 
Fan on Amp Unbeatable
I have had a few Pure Class A amps that got extremely hot and had fans.  I replaced the fans with high speed quiet fans,  then used resistors to slow them to a tolerable point for noise.  My amps lasted and lasted.  You might try that.  
Solid state AB amp?
It depends on your amplifier,  most A/B amps will play 1 to 5 watts before switching.  So,  it is likely that you will be using class A for 1 watt.   
Integrated Amp ideas for Dynaudio Special 40's
Hegel H160I would consider using an outboard DAC and using a Belles Aria. I would prefer the above, but there is a Rotel RA1592 (has DAC)list on Agon, it is no slouch.And again,  without a DAC here on Agon, an Arcam FMJ A38.These will all do a nic... 
Should I repair my Creek 4330 or replace it?
There are 4 or 5 good contenders for sale right here on Agon right now.  The closest in sound would probably be the Arcam A28.  It a bit high in my opinion, but there are a lot nice integrated amps out there that you can snag under $1000 
Best mid priced Amp-Preamp
On this site there is a Hegel H160 integrated and a Belles Aria Integrated.  Either of these will be noticeably better than your old Adcoms. If you want less $$$ there are another half dozen solid contenders,  but these 2 are excellent.